⚡️ Flash Sale: BOGO on TBTU

📦 Same-day shipping on in-stock items

Chemistry

Chemistry

11927

Our diverse selection of products are designed to enhance your work at every level. From refining asymmetric synthesis to optimizing reaction conditions with advanced catalysts, because we believe in meeting every possibility with precision.


  • 2,3,6-Trichloropyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44646
    CAS Number:
    6515-09-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00463516
    Molecular Formula:
    C5H2Cl3N
    Molecular Weight:
    182.43
  • 4-Chloropyridine N-oxide

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44652
    CAS Number:
    1121-76-2
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00047425
    Molecular Formula:
    C5H4ClNO
    Molecular Weight:
    129.54
  • 3-Amino-6-chloropyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44626
    CAS Number:
    5469-69-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051506
    Molecular Formula:
    C4H4ClN3
    Molecular Weight:
    129.55
  • 2,6-Diiodopyridine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44656
    CAS Number:
    53710-17-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD07366728
    Molecular Formula:
    C5H3I2N
    Molecular Weight:
    330.89
  • 2,6-Dibromopyridine N-oxide

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44639
    CAS Number:
    25373-69-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234019
    Molecular Formula:
    C5H3Br2NO
    Molecular Weight:
    252.89
  • 3,5-Dichloro-4-iodopyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44642
    CAS Number:
    343781-41-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD03094687
    Molecular Formula:
    C5H2Cl2IN
    Molecular Weight:
    273.88
  • 5-Bromo-2,3-pyridinediol

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Bromo-2,3-dihydroxypyridine
    Catalog Number:
    44647
    CAS Number:
    34206-49-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08276314
    Molecular Formula:
    C5H4BrNO2
    Molecular Weight:
    190.0
  • 2-Bromo-3-iodopyridine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44645
    CAS Number:
    265981-13-3
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD09056782
    Molecular Formula:
    C5H3BrIN
    Molecular Weight:
    283.89
  • 6-Bromo-2-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Bromo-2-pyridinol
    Catalog Number:
    44643
    CAS Number:
    27992-32-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234043
    Molecular Formula:
    C5H4BrNO
    Molecular Weight:
    174.0
  • 1,4-Dichlorophthalazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44634
    CAS Number:
    4752-10-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006909
    Molecular Formula:
    C8H4Cl2N2
    Molecular Weight:
    199.03
  • 2-Bromo-4,6-dimethylpyridine

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2-Bromo-4,6-lutidine
    Catalog Number:
    44644
    CAS Number:
    4926-26-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00082591
    Molecular Formula:
    C7H8BrN
    Molecular Weight:
    186.05
  • 2,5-Dibromo-3-nitropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44640
    CAS Number:
    15862-37-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09266223
    Molecular Formula:
    C5H2Br2N2O2
    Molecular Weight:
    281.89
  • 3,6-Dichloropyridazine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44632
    CAS Number:
    141-30-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00006466
    Molecular Formula:
    C4H2Cl2N2
    Molecular Weight:
    148.97
  • 4,5-Dibromo-3(2H)-pyridazinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,5-Dibromo-3-hydroxypyridazine
    Catalog Number:
    44623
    CAS Number:
    5788-58-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00023641
    Molecular Formula:
    C4H2Br2N2O
    Molecular Weight:
    253.88
  • 1-Benzyl-4-iodo-1H-pyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44617
    CAS Number:
    50877-42-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04038745
    Molecular Formula:
    C10H9IN2
    Molecular Weight:
    284.1
  • 2,6-Dibromo-3-hydroxypyridine

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    2,6-Dibromo-3-pyridinol
    Catalog Number:
    44637
    CAS Number:
    6602-33-1
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD01318479
    Molecular Formula:
    C5H3Br2NO
    Molecular Weight:
    252.89
  • 2,3-Diamino-6-chloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44636
    CAS Number:
    40851-95-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00209966
    Molecular Formula:
    C5H6ClN3
    Molecular Weight:
    143.57
  • Catalog Number:
    44619
    CAS Number:
    947-95-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00100755
    Molecular Formula:
    C11H9ClN2O
    Molecular Weight:
    220.66
  • 2,3-Dibromo-5-chloropyridine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44638
    CAS Number:
    137628-17-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08687254
    Molecular Formula:
    C5H2Br2ClN
    Molecular Weight:
    271.34
  • 3-Bromoimidazo[1,2-b]pyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44630
    CAS Number:
    18087-73-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD09757672
    Molecular Formula:
    C6H4BrN3
    Molecular Weight:
    198.02
  • Methyl 3-amino-6-bromopyrazine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-Amino-6-bromopyrazine-2-carboxylic acid methyl ester
    Catalog Number:
    44631
    CAS Number:
    6966-01-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00834964
    Molecular Formula:
    C6H6BrN3O2
    Molecular Weight:
    232.04
  • 3-Amino-4-bromo-5-methylpyrazole

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44618
    CAS Number:
    1780-72-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03412169
    Molecular Formula:
    C4H6BrN3
    Molecular Weight:
    176.02
  • 3,6-Dichloro-4-methylpyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44633
    CAS Number:
    19064-64-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006465
    Molecular Formula:
    C5H4Cl2N2
    Molecular Weight:
    163.0
  • Catalog Number:
    44615
    CAS Number:
    127892-62-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08459057
    Molecular Formula:
    C7H9ClN2O2
    Molecular Weight:
    188.61
  • Catalog Number:
    44622
    CAS Number:
    1698-53-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006470
    Molecular Formula:
    C10H6Cl2N2O
    Molecular Weight:
    241.07
  • Catalog Number:
    44628
    CAS Number:
    63910-43-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD04971392
    Molecular Formula:
    C5H5ClN2O2
    Molecular Weight:
    160.56
  • 6-Chloro-2-iodo-3-hydroxypyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    6-Chloro-2-iodo-3-pyridinol
    Catalog Number:
    44635
    CAS Number:
    188057-26-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07636749
    Molecular Formula:
    C5H3ClINO
    Molecular Weight:
    255.44
  • 3-Chloro-6-phenylpyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44624
    CAS Number:
    20375-65-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00075253
    Molecular Formula:
    C10H7ClN2
    Molecular Weight:
    190.63
  • Catalog Number:
    44625
    CAS Number:
    933-76-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00051686
    Molecular Formula:
    C5H4Cl2N2O
    Molecular Weight:
    179.0
  • Methyl 3,5-diamino-6-chloropyrazine-2-carboxylate

    Purity:
    ≥ 98% (GC)
    Synonym:
    3,5-Diamino-6-chloropyrazine-2-carboxylic acid methyl ester
    Catalog Number:
    44621
    CAS Number:
    1458-01-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01928388
    Molecular Formula:
    C6H7ClN4O2
    Molecular Weight:
    202.6
  • 3-Chloro-6-methoxypyridazine

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    44627
    CAS Number:
    1722-10-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00006467
    Molecular Formula:
    C5H5ClN2O
    Molecular Weight:
    144.56
  • 3-Chloro-6-methylpyridazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44620
    CAS Number:
    1121-79-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052905
    Molecular Formula:
    C5H5ClN2
    Molecular Weight:
    128.56
  • 4-Bromoantipyrine

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    44612
    CAS Number:
    5426-65-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00020779
    Molecular Formula:
    C11H11BrN2O
    Molecular Weight:
    267.13
  • 5-Iodo-1-methylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44608
    CAS Number:
    34091-51-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD11109327
    Molecular Formula:
    C4H5IN2
    Molecular Weight:
    208.0
  • 4-Bromo-1-ethylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44606
    CAS Number:
    71229-85-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD08235252
    Molecular Formula:
    C5H7BrN2
    Molecular Weight:
    175.03
  • 5-Chloropyrazine-2-carboxylic acid

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44603
    CAS Number:
    36070-80-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD09033269
    Molecular Formula:
    C5H3ClN2O2
    Molecular Weight:
    158.54
  • 4-Iodo-3,5-dimethylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44609
    CAS Number:
    2033-45-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040247
    Molecular Formula:
    C5H7IN2
    Molecular Weight:
    222.03
  • 4-Bromo-3-methylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44616
    CAS Number:
    13808-64-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005241
    Molecular Formula:
    C4H5BrN2
    Molecular Weight:
    161.0
  • Catalog Number:
    44611
    CAS Number:
    75092-30-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00461121
    Molecular Formula:
    C5H5IN2O2
    Molecular Weight:
    252.01
  • 1-(4-Chlorophenyl)-3-methyl-5-pyrazolone

    Purity:
    ≥ 98% (Assay by titration)
    Catalog Number:
    44614
    CAS Number:
    13024-90-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00043814
    Molecular Formula:
    C10H9ClN2O
    Molecular Weight:
    208.65
  • 4-Iodo-1-methylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44610
    CAS Number:
    39806-90-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD05663860
    Molecular Formula:
    C4H5IN2
    Molecular Weight:
    208.0
  • 4-Chloropyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44613
    CAS Number:
    15878-00-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00159634
    Molecular Formula:
    C3H3ClN2
    Molecular Weight:
    102.52
  • 4-Bromo-1,3,5-trimethylpyrazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44607
    CAS Number:
    15801-69-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052532
    Molecular Formula:
    C6H9BrN2
    Molecular Weight:
    189.06
  • Chloropyrazine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    44599
    CAS Number:
    14508-49-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00006124
    Molecular Formula:
    C4H3ClN2
    Molecular Weight:
    114.53
  • 3-Chloro-2,5-dimethylpyrazine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44597
    CAS Number:
    95-89-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00006143
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    142.59
  • 2-Bromo-5-hydroxypyrazine

    Purity:
    ≥ 95% (GC)
    Synonym:
    5-Bromo-2(1H-pyrazinone
    Catalog Number:
    44592
    CAS Number:
    374063-92-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD06245330
    Molecular Formula:
    C4H3BrN2O
    Molecular Weight:
    174.99
  • 2,3-Dichloropyrazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44604
    CAS Number:
    4858-85-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00040964
    Molecular Formula:
    C4H2Cl2N2
    Molecular Weight:
    148.97
  • 2-Chloro-3,5-dimethylpyrazine

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    44602
    CAS Number:
    38557-72-1
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00126945
    Molecular Formula:
    C6H7ClN2
    Molecular Weight:
    142.59
  • 5-Chloro-2,3-diphenylpyrazine

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    44590
    CAS Number:
    41270-66-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00234892
    Molecular Formula:
    C16H11ClN2
    Molecular Weight:
    266.73
  • 5-Chloro-1,3-dimethylpyrazole-4-carboxaldehyde

    Purity:
    ≥ 98% (GC)
    Synonym:
    5-Chloro-4-formyl-1,3-dimethylpyrazole
    Catalog Number:
    44605
    CAS Number:
    27006-76-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00052538
    Molecular Formula:
    C6H7ClN2O
    Molecular Weight:
    158.59